Walter William Leonhardt
Agency patch
Special Deputy Sheriff

Walter William Leonhardt

Felonious
End of Watch September 28, 1931
Age 41
The Vigil Panel 63 ›
Gender Male

Incident

Special Deputy Walter Leonhardt was shot and killed after observing a stolen car while off duty. He identified himself as a deputy and began to talk to the driver. A struggle ensued, and Deputy Leonhardt was fatally wounded by the driver. The 25-year-old driver and a 19-year-old accomplice were arrested and charged with murder. The driver was convicted of murder and sentenced to life. His accomplice was sentenced to five years. The driver's sentence was later commuted to 25 years. He was paroled on December 21, 1940.

Survivors

He was survived by his wife and four children.

In Our Keeping

Permanent identifier
BO-US-OR-947C8B3E
Stewardship
Maintained by NeuraWeb Global Inc.
Added to badge.nw
April 2, 2026
Last updated
July 23, 2026

Honored here by 1 sentinel - 1 tribute.

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Tributes

I never knew you. I am standing here anyway.
Special Deputy Sheriff Leonhardt served with the Multnomah County Sheriff's Office.
Thank you for your service to the Portland community. Gone but never to be forgotten.
Rest easy, Special Deputy Sheriff Leonhardt.

— S. Vincent Anthony, U.S. Army 1985-1993

Agency

Location Portland, OR
Platform Identity mcso.multnomah.or.us.gov.nw

Service Record

End of Watch September 28, 1931
Age 41
Gender Male

Incident Details

Cause Felonious
Weapon Gun; Unknown type
Offender Paroled in 1940

Special Deputy Sheriff Walter William Leonhardt is one of 17,623 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 54.2% of all 32,508 officers honored here.

In OR, 115 of 197 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 58.4% of this state's fallen. That is 4.2 percentage points above the national rate of 54.2%.

At Multnomah County Sheriff's Office, 9 of 10 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 90% of this agency's fallen.

Multnomah County Sheriff's Office
9
of 10 officers
90% Felonious
OR — Statewide
115
of 197 officers
58.4% Felonious
Nationwide
17,623
of 32,508 officers
54.2% Felonious

National Cause Distribution

How Felonious compares to all causes of officer death in the memorial record. Walter William Leonhardt's cause is highlighted.

Felonious
17,623 (54.2%)
Accident
10,088 (31%)
Illness
2,974 (9.1%)
Cardiac
1,306 (4%)
Undetermined
260 (0.8%)
Suicide
256 (0.8%)
vehicular
1 (0%)

How Walter William Leonhardt Compares

Age at End of Watch
41
This officer
Avg for Felonious: 39.0 years

Offender Outcome

Paroled in 1940

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. Walter William Leonhardt is highlighted in Sep.

Jan
1,392
Feb
1,295
Mar
1,373
Apr
1,517
May
1,505
Jun
1,443
Jul
1,587
Aug
1,516
Sep
1,553
Oct
1,371
Nov
1,447
Dec
1,624

Weapons Used Against Officers

Most common weapons in felonious officer deaths. Walter William Leonhardt was killed by gun; unknown type.

Gun; Unknown type
5,083
Handgun
2,077
Shotgun
922
Officer's handgun
909
Automobile; Alcohol involved
530
Rifle
518